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Sifrhippus Sandrae

The Incredible Shrinking Horse

| Posted 02.27.2012 | Green

By Katherine Harmon (Click here for original article.) The first horses in North America would not have been able to hold their own in the Triple ...

PHOTOS: Puppy-Sized Prehistoric Horses May Portend Puny Humans

| Katherine Harmon | Posted 02.24.2012 | Science

The first horses in North America would not have been able to hold their own in the Triple Crown. At just about 5.6 kilograms the Sifrhippus sandra...